Our leaders guide every project

With accomplished careers spanning over 30 to 40 years, each brings unparalleled knowledge, project execution, and expert witness experience.

Kurt Hoigard

P.E., F. ASTM

Senior Principal

Kurt is the President of RRJ and is responsible for the leadership and oversight of the firm's consulting and testing services. He has specialized in the investigation and repair of distressed and deteriorated structures and the performance of building materials and systems. He consults in the areas of structural analysis, complete collapse, design peer review, water leakage investigation, and expert witness testimony.

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Kenneth Lies

AIA

Senior Principal

Ken is the Vice President of RRJ with 35 years specializing in all aspects of architectural engineering, building enclosure consulting, material and system applications, and building diagnostics. His portfolio of experience has been diverse, involving a variety of projects ranging from investigation and evaluation to rehabilitation of numerous building types. He provides litigation consulting and expert witness testimony on building enclosure performance issues and failures.

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Sarah Flock

NCARB, BECxP, CxA+BE

Principal

Sarah has over 18 years of architectural experience specializing in water/moisture intrusion investigations, building enclosure repair design, field testing of distress structures, and nonperforming buildings and material systems. Her building enclosure expertise includes hygrothermal modeling, Building Enclosure Commissioning (BECx), consulting on new construction, and litigation support.

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Patrick Reicher

S.E., REWC, REWO, CCS, CCCA

Principal

Patrick has over 14 years of experience in the forensic investigation, evaluation, and repair design of buildings and enclosures, from recently constructed to historic structures. An exterior wall expert, he has specialized in the project management of building enclosure consulting and field quality testing for new construction and construction documentation and construction observation of major repair programs.

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Tammy Arvidson

Manager of Business Operations

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Meet our Team

Our expertise is at your fingertips

From top forensic consultants to leading building enclosure authorities, our team of experts are ready to help. Work with proactive problem solvers who can put your mind at ease.

Meet Our Team